<template>
  <div class="login">
    <div id="form">
      <!-- Form 组件提供了表单验证的功能，只需要通过 rules 属性传入约定的验证规则，并 Form-Item 的 prop 属性设置为需校验的字段名即可 -->
      <el-form :model="loginForm" class="container" :rules="myrules">
      <el-form-item>
        <div class="avatar">
          <img src="../assets/avatar.jpg" alt="">
        </div>
      </el-form-item>
      <el-form-item prop="username">
        <!-- 可以通过 prefix-icon 和 suffix-icon 属性在 input 组件首部和尾部增加显示图标，也可以通过 slot 来放置图标。 -->
        <el-input v-model="loginForm.username" prefix-icon="myicon myicon-user"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="loginForm.password" prefix-icon="myicon myicon-key" type="password"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" class="login-btn">登录</el-button>
      </el-form-item>
    </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data(){
    return{
      loginForm:{
        username:'',
        password:''
      },
      myrules:{
        username:[
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password:[
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 12, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ]
      }
    }
  }
}
</script>

<style lang="scss" scoped>
.login {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #2f4050;

  .container {
    position: absolute;
    left: 0;
    right: 0;
    width: 400px;
    padding: 0px 40px 15px 40px;
    margin: 200px auto;
    background: white;
    .avatar {
      position: relative;
      left: 50%;
      width: 120px;
      height: 120px;
      margin-left: -60px;
      margin-top: -60px;
      box-sizing: border-box;
      border-radius: 50%;
      border: 10px solid #fff;
      box-shadow: 0 1px 5px #ccc;
      overflow: hidden;
    }
    .login-btn {
      width: 100%;
    }
  }
}
</style>


